.black{
	position: fixed;
	width:100%;
	z-index:2;
	background: rgba(0,0,0,.8);
	top: 0;
	left: 0;

}
.dialog{
	display: none;
	position: fixed;
	z-index: 3;
	width: 500px;
	min-height: 300px;
	top:50%;
	left:50%;
	margin:-150px 0 0 -250px;
	background: #FFFFFF;
	padding: 15px;
	border-radius: 5px;
}
.dialog_close{
	float: right;
	padding: 0;
}
.dialog_close:hover{
	cursor:pointer;
}
.dialog_content{
	display: block;
}
